andrew was visiting the offices of akzonobel , a paint firm based in slough , and smiled broadly as he chatted to employees .
the 55-year-old , who was at the factory as part of his work with the outward bound , has always denied that he had any sort of relationship with virginia roberts .
the duke also spent 40 minutes in a private meeting with matt pullen , the company 's uk managing director , and other senior staff members .